12013AB270 Subaru PISTON SET-RIGT0.25, Price: 44.91$, Weight: 0.569kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12013AB270 |
PISTON SET-RIGT0.25 |
0 |
0.569 |
2-3 |
44.91$ |
| Not Available | ||||||
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI SOHC NA | X LTD | USA | 11.2007 | 08.2010 | FULLTIME 4WD | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI SOHC NA | OUTBACK-SE | USA | 06.2006 | 06.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON OUTBACK | 2500CC EMPI SOHC NA | 25I LIMITED | USA | 03.2008 | 04.2009 | FULLTIME 4WD | View |
Right-Side 0.25 Oversize Engine Piston Set for Subaru Boxer
Restore factory power and smooth running with this OEM-grade oversize piston kit . Designed for the right-hand bank, it brings a worn cylinder back to spec after a light rebore/hone (+0.25 mm). Ideal for engines showing blow-by, oil use, or skirt scuffing ️.
Why you need it
With mileage, pistons and bores wear. Clearance grows, compression drops, and oil control suffers. This 0.25 oversize set renews wall contact, stabilizes the skirt, and tightens ring seal, improving power, economy, and long-term reliability .
How it works
The aluminum piston runs in the cylinder on low-friction coated skirts, guided by a wrist pin and connecting rod. Three rings—compression, scraper, and oil control—seal combustion, manage oil, and move heat into the cylinder wall. Correct oversize matches the machined bore for proper clearance, quiet operation, and strong compression ✅.
If worn or broken
Expect hard starts, misfire, cold-start rattle, blue smoke, high oil use, loss of power, and rising fuel burn. Severe damage can score the bore, overheat, or seize, risking rod knock and a full rebuild ⚠️.
Notes
Install as a matched set with new rings. Bore/hone to +0.25 mm, measure all clearances, oil the pin, and stagger ring gaps. Confirm right-bank orientation .
Compatibility
- Legacy
- Forester
- Impreza